CN102660066A - Ultra-high molecular weight polyethylene composite material for water lubricated bearing - Google Patents
Ultra-high molecular weight polyethylene composite material for water lubricated bearing Download PDFInfo
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- CN102660066A CN102660066A CN2012101404709A CN201210140470A CN102660066A CN 102660066 A CN102660066 A CN 102660066A CN 2012101404709 A CN2012101404709 A CN 2012101404709A CN 201210140470 A CN201210140470 A CN 201210140470A CN 102660066 A CN102660066 A CN 102660066A
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Abstract
The invention provides an ultra-high molecular weight polyethylene composite material for a water lubricated bearing, belonging to the field of high molecular composite materials. The invention solves the problem that the ultra-high molecular weight polyethylene as a bearing material can not easily form complete water lubrication and has a high water lubrication friction factor under water lubrication conditions in the prior art. The composite material is prepared by blending and cross-linking the following components in parts by weight: 100 parts of ultra-high molecular weight polyethylene, 10-50 parts of nitrile-butadiene rubber, 10-40 parts of self-lubricating agent, 0.5-5 parts of zinc oxide, 0.1-1 part of stearic acid, 0.1-3 parts of crosslinking agent and 0.2-3 parts of antioxidant. The composite material has favorable dry friction and water lubrication properties, and is suitable to be used as a water lubricated bearing material for ships.
Description
Technical field
The invention belongs to the polymer composite field, be specifically related to a kind of water lubricated bearing and use ultra-high molecular weight polyethylene composite material.
Background technology
The ship propeller bearing mainly contains water lubricating and oil lubrication dual mode, wherein water lubricated bearing compare with oil-lubricated bearing have pollution-free, power consumption is little, frictional coefficient is low, advantage such as cheap, therefore on the naval vessel, obtained using widely.Water lubricated bearing is made up of bearing outside and bearing surface layer, and bearing outside adopts corrosion resistant brass preparation more, and the bearing surface layer adopts the macromolecular material preparation more.Wherein rubber and urethane since excellent performance use comparatively extensive, yet find that in actual use under metal to-metal contact operating modes such as lack of water, the material friction performance has deterioration, very easily seize appears and bearing burns phenomenon.Therefore, the material require of using bearing has self-lubricating property, to adapt to the metal to-metal contact operating mode.Tetrafluoroethylene and ultrahigh molecular weight polyethylene(UHMWPE) are the best macromolecular materials of known self-lubricating property, and tetrafluoroethylene wear resisting property under the metal to-metal contact operating mode is relatively poor, therefore are not suitable for using as bearing materials.Ultrahigh molecular weight polyethylene(UHMWPE) has wear resisting property preferably, but under the water lubricating operating mode, is difficult to form complete water lubricating, and the water lubricating frictional coefficient is bigger.Patent CN103217 discloses a kind of ultra-high molecular weight polyethylene composite material of friction materials; Form by ultrahigh molecular weight polyethylene(UHMWPE), styrene-butadiene rubber(SBR), carbon black and various Synergist S-421 95; This material is a purpose with the frictional coefficient that improves material, is mainly used in the friction disc multiplying wheel.Patent CN101480856A discloses a kind of ultrahigh molecular weight polyethylene(UHMWPE) and rubber gradient composites and preparation method thereof, and this patent is through the compound material interphase interface of having eliminated of multi-gradient, thereby improves the frictional coefficient of material, can be used as to increase the material that rubs and use.Its technological line is different fully with the present invention with goal of the invention.
In view of this, the present invention will disclose a kind of ultra-high molecular weight polyethylene composite material that water lubricated bearing uses that is suitable for.
Summary of the invention
The present invention is in order to solve in the prior art with ultrahigh molecular weight polyethylene(UHMWPE) as bearing materials; Under the water lubricating operating mode, be difficult to form complete water lubricating; The problem that the water lubricating frictional coefficient is bigger, and provide a kind of water lubricated bearing to use ultra-high molecular weight polyethylene composite material.
The object of the invention is to provide a kind of water lubricated bearing to use ultra-high molecular weight polyethylene composite material; Said ultra-high molecular weight polyethylene composite material consists of in weight part: 100 portions of ultrahigh molecular weight polyethylene(UHMWPE)s, 10～50 parts of paracrils, 10～40 parts of self-lubricating agent; 0.5～5 parts of zinc oxide; 0.1～1 part of Triple Pressed Stearic Acid, 0.1～3 part of linking agent, 0.2～3 part of oxidation inhibitor.
Described paracril is preferably 30～50 parts;
The weight-average molecular weight of described ultrahigh molecular weight polyethylene(UHMWPE) is 3,000,000～8,000,000, and the weight-average molecular weight of preferred ultrahigh molecular weight polyethylene(UHMWPE) is 8,000,000;
Described paracril is common paracril, hydrogenated nitrile-butadiene rubber or carboxy nitrile rubber, is preferably carboxy nitrile rubber;
Described self-lubricating agent is one or both in graphite, the molybdenumdisulphide;
Described linking agent is 1,4-pair-(2-tert-butyl hydroperoxide sec.-propyl) benzene or Di Cumyl Peroxide 99;
Described oxidation inhibitor is β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 1,1,3-three (2-methyl-4-hydroxyl-5-trimethylphenylmethane base) butane, three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester, 2-mercaptobenzimidazole or 2; 2,4-trimethylammonium-1, two or more in the 2-EEDQ polymkeric substance.
A kind of water lubricated bearing of the present invention is with the preparation method of ultra-high molecular weight polyethylene composite material; With said components in Banbury mixer in 120 ℃～140 ℃; After banburying mixed, in 170～190 ℃, compression molding can obtain ultra-high molecular weight polyethylene composite material.
The invention has the beneficial effects as follows:
Ultra-high molecular weight polyethylene composite material of the present invention further improves its wear resisting property through introducing the self-lubricating agent in the advantage that keeps ultrahigh molecular weight polyethylene(UHMWPE) self lubricity, wear resisting property; Through introducing rubber components, when improving its water lubricating frictional behaviour, also improved the snappiness of material, shock resistance, vibration damping property; And the result can know by the frictional coefficient test experiments, and the water lubricating frictional coefficient of ultra-high molecular weight polyethylene composite material of the present invention is compared much smaller with ultrahigh molecular weight polyethylene(UHMWPE), is suitable as water lubricating bearing material and uses.
Embodiment
For a better understanding of the present invention, further illustrate content of the present invention, but content of the present invention not only is confined to following embodiment below in conjunction with embodiment.
Embodiment 1
Get molecular weight respectively and be 100 parts of 3,000,000 ultrahigh molecular weight polyethylene(UHMWPE)s, 30 parts of common paracrils, 10 parts in graphite, 10 parts of molybdenumdisulphide; 1.5 parts in zinc oxide, 0.3 part of Triple Pressed Stearic Acid, 1 part of Di Cumyl Peroxide 99, β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester is 0.1 part, and 2,2; 4-trimethylammonium-1,0.1 part in 2-EEDQ polymkeric substance mixes said components in Banbury mixer in 120 ℃; Then mixture is placed mould,, promptly obtain ultra-high molecular weight polyethylene composite material according to the invention in 170 ℃ of compression moldings.
Embodiment 2
Get molecular weight respectively and be 100 parts of 5,000,000 ultrahigh molecular weight polyethylene(UHMWPE)s, 10 parts of hydrogenated nitrile-butadiene rubbers, 40 parts in graphite, 1.0 parts in zinc oxide; 0.3 part of Triple Pressed Stearic Acid, 1,0.1 part of 4-pair-(2-tert-butyl hydroperoxide sec.-propyl) benzene, β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester is 0.2 part, and 1,1,0.3 part of 3-three (2-methyl-4-hydroxyl-5-trimethylphenylmethane base) butane; 0.2 part of 2,2,4 trimethyl 1,2 dihydroquinoline polymer; Said components is mixed in 140 ℃ in Banbury mixer, then mixture is placed mould,, promptly obtain ultra-high molecular weight polyethylene composite material according to the invention in 190 ℃ of compression moldings.
Embodiment 3
Get molecular weight respectively and be 100 parts of 8,000,000 ultrahigh molecular weight polyethylene(UHMWPE)s, 50 parts of carboxy nitrile rubbers, 10 parts of molybdenumdisulphide, 5 parts in zinc oxide; 1 part of Triple Pressed Stearic Acid, 1,3 parts of 4-pair-(2-tert-butyl hydroperoxide sec.-propyl) benzene, three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester is 1 part, and 1,1,1 part of 3-three (2-methyl-4-hydroxyl-5-trimethylphenylmethane base) butane; 1 part of 2,2,4 trimethyl 1,2 dihydroquinoline polymer; Said components is mixed in 130 ℃ in Banbury mixer, then mixture is placed mould,, promptly obtain ultra-high molecular weight polyethylene composite material according to the invention in 180 ℃ of compression moldings.
Embodiment 4
Get molecular weight respectively and be 100 parts of 8,000,000 ultrahigh molecular weight polyethylene(UHMWPE)s, 30 parts of hydrogenated nitrile-butadiene rubbers, 10 parts of molybdenumdisulphide, 20 parts in graphite; 3 parts in zinc oxide, 0.5 part of Triple Pressed Stearic Acid, 2 parts of Di Cumyl Peroxide 99s, 0.2 part of 2-mercaptobenzimidazole; 1,1,0.2 part of 3-three (2-methyl-4-hydroxyl-5-trimethylphenylmethane base) butane, 2; 2,4-trimethylammonium-1,0.5 part in 2-EEDQ polymkeric substance mixes said components in Banbury mixer in 140 ℃; Then mixture is placed mould,, promptly obtain ultra-high molecular weight polyethylene composite material according to the invention in 190 ℃ of compression moldings.
Embodiment 5
Get molecular weight respectively and be 100 parts of 5,000,000 ultrahigh molecular weight polyethylene(UHMWPE)s, 40 parts of common paracrils, 15 parts of molybdenumdisulphide, 15 parts in graphite; 2 parts in zinc oxide, 0.5 part of Triple Pressed Stearic Acid, 2 parts of Di Cumyl Peroxide 99s, 0.2 part of 2-mercaptobenzimidazole; 1,1,3-three (2-methyl-4-hydroxyl-5-trimethylphenylmethane base) butane, 0.2 part; 0.5 part of 2,2,4 trimethyl 1,2 dihydroquinoline polymer; Said components is mixed in 120 ℃ in Banbury mixer, then mixture is placed mould,, promptly obtain ultra-high molecular weight polyethylene composite material according to the invention in 170 ℃ of compression moldings.
Embodiment 6
Frictional coefficient test experiments: on MRH-3A type high-speed loop piece frictional testing machines, the ultra-high molecular weight polyethylene composite material frictional coefficient of embodiment of the invention 1-6 preparation is tested, compared with pure ultrahigh molecular weight polyethylene(UHMWPE) and paracril simultaneously.Test condition is: load: 66N, and rotating speed: 210rpm, temperature: 23 ± 2 ℃, the result is as shown in table 1.
Table 1 frictional coefficient test result
Can find out that by table 1 the water lubricating frictional coefficient of the ultra-high molecular weight polyethylene composite material that the present invention obtains compares little manyly with ultrahigh molecular weight polyethylene(UHMWPE), have good water lubricating performance, and have good metal to-metal contact performance.
Claims (9)
1. water lubricated bearing is used ultra-high molecular weight polyethylene composite material, it is characterized in that, said matrix material consists of in weight part: 100 portions of ultrahigh molecular weight polyethylene(UHMWPE)s; 10～50 parts of paracrils; 10～40 parts of self-lubricating agent, 0.5～5 part of zinc oxide, 0.1～1 part of Triple Pressed Stearic Acid; 0.1～3 parts of linking agents, 0.2～3 part of oxidation inhibitor.
2. water lubricated bearing according to claim 1 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, described paracril is 30～50 parts.
3. water lubricated bearing according to claim 1 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, the weight-average molecular weight of described ultrahigh molecular weight polyethylene(UHMWPE) is 3,000,000～8,000,000.
4. water lubricated bearing according to claim 3 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, the weight-average molecular weight of described ultrahigh molecular weight polyethylene(UHMWPE) is 8,000,000.
5. water lubricated bearing according to claim 1 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, described paracril is common paracril, hydrogenated nitrile-butadiene rubber or carboxy nitrile rubber.
6. water lubricated bearing according to claim 5 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, described paracril is a carboxy nitrile rubber.
7. water lubricated bearing according to claim 1 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, described self-lubricating agent is one or both in graphite, the molybdenumdisulphide.
8. water lubricated bearing according to claim 1 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, described linking agent is 1,4-pair-(2-tert-butyl hydroperoxide sec.-propyl) benzene or Di Cumyl Peroxide 99.
9. water lubricated bearing according to claim 1 is used ultra-high molecular weight polyethylene composite material, it is characterized in that, described oxidation inhibitor is β-(3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, 1,1,3-three (2-methyl-4-hydroxyl-5-trimethylphenylmethane base) butane, three (2; The 4-di-tert-butyl-phenyl) phosphorous acid ester, 2-mercaptobenzimidazole or 2; 2,4-trimethylammonium-1, two or more in the 2-EEDQ polymkeric substance.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467795A (en) * | 2013-09-18 | 2013-12-25 | 大连海事大学 | Preparation method of water-lubricating rubber bearing |
| CN104231352A (en) * | 2014-10-23 | 2014-12-24 | 武汉理工大学 | Rubber and thermoplastic material blend rubber material and preparation method thereof |
| CN104763748A (en) * | 2015-03-26 | 2015-07-08 | 中南林业科技大学 | Bamboo-plastic composite sliding bearing and preparation process thereof |
| CN105150508A (en) * | 2015-08-13 | 2015-12-16 | 中国科学院长春应用化学研究所 | Process method for preparing static ring used for ship tail shaft sealing and lubricating |
| CN105419049A (en) * | 2015-12-04 | 2016-03-23 | 武汉武船机电设备有限责任公司 | Low-friction water lubricating macromolecular bearing composite material |
| CN105440374A (en) * | 2015-12-16 | 2016-03-30 | 合肥中澜新材料科技有限公司 | Difficult-deformation molybdenum disulfide polyvinyl chloride rubber composite material and preparation method thereof |
| CN105646964A (en) * | 2014-12-01 | 2016-06-08 | 中国科学院兰州化学物理研究所 | Silt environment resistant long-life water-lubricated bearing composite material |
| CN106519461A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | Rubber composite material for water lubricated bearing and preparation method and use thereof |
| CN108129726A (en) * | 2017-12-13 | 2018-06-08 | 北京中选耐磨设备有限公司平顶山分公司 | A kind of ultrahigh molecular weight polyethylene abrasion-proof liner plate and preparation method thereof |
| CN108410054A (en) * | 2018-04-20 | 2018-08-17 | 常州达奥新材料科技有限公司 | A kind of preparation method of compound water lubricating bearing material |
| CN111073073A (en) * | 2019-12-30 | 2020-04-28 | 湘潭大学 | Magnetorheological elastomer material for stern bearing and preparation method thereof |
| CN111718528A (en) * | 2020-05-19 | 2020-09-29 | 上海涟屹轴承科技有限公司 | Preparation method of water-pumping lubrication bearing for ship |
| CN115850831A (en) * | 2022-09-06 | 2023-03-28 | 湖南弘辉科技有限公司 | Wear-resistant material and water-lubricated bearing |
| CN116120566A (en) * | 2021-11-15 | 2023-05-16 | 中国科学院大连化学物理研究所 | High-bearing polymer-based water lubrication modified material and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467795A (en) * | 2013-09-18 | 2013-12-25 | 大连海事大学 | Preparation method of water-lubricating rubber bearing |
| CN104231352A (en) * | 2014-10-23 | 2014-12-24 | 武汉理工大学 | Rubber and thermoplastic material blend rubber material and preparation method thereof |
| CN105646964A (en) * | 2014-12-01 | 2016-06-08 | 中国科学院兰州化学物理研究所 | Silt environment resistant long-life water-lubricated bearing composite material |
| CN104763748A (en) * | 2015-03-26 | 2015-07-08 | 中南林业科技大学 | Bamboo-plastic composite sliding bearing and preparation process thereof |
| CN105150508A (en) * | 2015-08-13 | 2015-12-16 | 中国科学院长春应用化学研究所 | Process method for preparing static ring used for ship tail shaft sealing and lubricating |
| CN105419049A (en) * | 2015-12-04 | 2016-03-23 | 武汉武船机电设备有限责任公司 | Low-friction water lubricating macromolecular bearing composite material |
| CN105440374A (en) * | 2015-12-16 | 2016-03-30 | 合肥中澜新材料科技有限公司 | Difficult-deformation molybdenum disulfide polyvinyl chloride rubber composite material and preparation method thereof |
| CN106519461A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | Rubber composite material for water lubricated bearing and preparation method and use thereof |
| CN108129726A (en) * | 2017-12-13 | 2018-06-08 | 北京中选耐磨设备有限公司平顶山分公司 | A kind of ultrahigh molecular weight polyethylene abrasion-proof liner plate and preparation method thereof |
| CN108410054A (en) * | 2018-04-20 | 2018-08-17 | 常州达奥新材料科技有限公司 | A kind of preparation method of compound water lubricating bearing material |
| CN111073073A (en) * | 2019-12-30 | 2020-04-28 | 湘潭大学 | Magnetorheological elastomer material for stern bearing and preparation method thereof |
| CN111718528A (en) * | 2020-05-19 | 2020-09-29 | 上海涟屹轴承科技有限公司 | Preparation method of water-pumping lubrication bearing for ship |
| CN116120566A (en) * | 2021-11-15 | 2023-05-16 | 中国科学院大连化学物理研究所 | High-bearing polymer-based water lubrication modified material and preparation method thereof |
| CN115850831A (en) * | 2022-09-06 | 2023-03-28 | 湖南弘辉科技有限公司 | Wear-resistant material and water-lubricated bearing |
| CN115850831B (en) * | 2022-09-06 | 2023-12-08 | 湖南弘辉科技有限公司 | Wear-resistant material and water lubrication bearing |
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Application publication date: 20120912 |